2 * Unix SMB/CIFS implementation.
3 * Virtual Windows Registry Layer
4 * Copyright (C) Gerald Carter 2002-2005
5 * Copyright (C) Jelmer Vernooij 2005
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 /* Implementation of internal registry database functions. */
25 #include "lib/samba3/samba3.h"
26 #include "librpc/gen_ndr/winreg.h"
27 #include "lib/tdb/include/tdbutil.h"
28 #include "system/filesys.h"
31 #define VALUE_PREFIX "SAMBA_REGVAL"
32 #define REGVER_V1 1 /* first db version with write support */
34 /****************************************************************************
35 Unpack a list of registry values from the TDB
36 ***************************************************************************/
38 static int regdb_unpack_values(TDB_CONTEXT *tdb, TALLOC_CTX *ctx, struct samba3_regkey *key, TDB_DATA data )
44 uint32_t num_values = 0;
48 /* loop and unpack the rest of the registry values */
50 len += tdb_unpack(tdb, data.dptr+len, data.dsize-len, "d", &num_values);
52 for ( i=0; i<num_values; i++ ) {
53 struct samba3_regval val;
54 /* unpack the next regval */
59 len += tdb_unpack(tdb, data.dptr+len, data.dsize-len, "fdB",
64 val.name = talloc_strdup(ctx, valuename);
65 val.data = data_blob_talloc(ctx, data_p, size);
67 key->values = talloc_realloc(ctx, key->values, struct samba3_regval, key->value_count+1);
68 key->values[key->value_count] = val;
77 /***********************************************************************
78 Open the registry database
79 ***********************************************************************/
81 NTSTATUS samba3_read_regdb ( const char *fn, TALLOC_CTX *ctx, struct samba3_regdb *db )
87 /* placeholder tdb; reinit upon startup */
89 if ( !(tdb = tdb_open(fn, 0, TDB_DEFAULT, O_RDONLY, 0600)) )
91 DEBUG(0, ("Unable to open registry database %s\n", fn));
92 return NT_STATUS_UNSUCCESSFUL;
95 vers_id = tdb_fetch_int32(tdb, "INFO/version");
100 if (vers_id != -1 && vers_id >= REGVER_V1) {
101 DEBUG(0, ("Registry version mismatch: %d\n", vers_id));
102 return NT_STATUS_UNSUCCESSFUL;
105 for (kbuf = tdb_firstkey(tdb); kbuf.dptr; kbuf = tdb_nextkey(tdb, kbuf))
109 struct samba3_regkey key;
112 if (strncmp(kbuf.dptr, VALUE_PREFIX, strlen(VALUE_PREFIX)) == 0)
115 vbuf = tdb_fetch(tdb, kbuf);
117 key.name = talloc_strdup(ctx, kbuf.dptr);
119 len = tdb_unpack(tdb, vbuf.dptr, vbuf.dsize, "d", &key.subkey_count);
123 key.subkeys = talloc_array(ctx, char *, key.subkey_count);
125 for (i = 0; i < key.subkey_count; i++) {
127 len += tdb_unpack( tdb, vbuf.dptr+len, vbuf.dsize-len, "f", tmp );
128 key.subkeys[i] = talloc_strdup(ctx, tmp);
131 skey = talloc_asprintf(ctx, "%s/%s", VALUE_PREFIX, kbuf.dptr );
133 vbuf = tdb_fetch_bystring( tdb, skey );
136 regdb_unpack_values( tdb, ctx, &key, vbuf );
139 db->keys = talloc_realloc(ctx, db->keys, struct samba3_regkey, db->key_count+1);
140 db->keys[db->key_count] = key;